You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Move Over RTBs, the Hot Term of 2011 Is the AMP As Online Audience Buying Turns Into a Sea of TLAs (Three-Letter Acronyms), Here's the First 'Ad Age Highly Unofficial Glossary of the Online Ad Space' By Kathryn Koegel, Published on April 04, 2011 2 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.